improve donwload

app.py

@@ -475,7 +475,7 @@ if prompt := st.chat_input(placeholder="Input Your Request"):
                     if file_name != "":
                         with open(file_name, "rb") as file:
                             btn = st.download_button(
-                            label="Download",
+                            label='Download:'+ file_name,
                             data=file,
                             file_name=file_name,
                             )